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Flux distribution for a flat refrigerator magnet Schematic diagram of a free-electron laser. Scaling up this design and adding a top sheet gives a wiggler magnet, used in synchrotrons and free-electron lasers. Wiggler magnets wiggle, or oscillate, an electron beam perpendicular to the magnetic field.
Of the more commonly available magnets, only rare-earth magnets such as neodymium and samarium-cobalt are stronger. Alnico magnets produce magnetic field strength at their poles as high as 1500 gauss (0.15 tesla ), or about 3000 times the strength of Earth's magnetic field .
Programmed magnets can be programmed, or coded, by varying the polarity and/or field strengths of each source of the arrays of magnetic sources that make up each structure. The resulting magnetic structures can be one-dimensional, two-dimensional, three-dimensional, and even four-dimensional if produced using an electromagnetic array.
The resistive magnet produces 33.5 T and the superconducting coil produces the remaining 11.5 T. The former magnet requires 30 MW of power, the latter must be kept at 1.8 K (−456.43 °F) using liquid helium, taking 6 weeks to cool. It costs $1452 per hour to run at full field.
Chappell Roan 'Carpools' with parents in the Midwest. The "midwestern princess" herself opens the episode, welcoming Lowe to her native Missouri. The two drive through a classic American landscape ...
Adrien Brody, “The Brutalist” Timothée Chalamet, “A Complete Unknown” Daniel Craig, “Queer” Colman Domingo, “Sing Sing” Ralph Fiennes, “Conclave”
Ring magnets Most hard disk drives incorporate strong magnets This manually-powered flashlight uses a neodymium magnet to generate electricity Neodymium magnets have replaced alnico and ferrite magnets in many of the myriad applications in modern technology where strong permanent magnets are required, because their greater strength allows the ...
Jennifer Lopez is looking back on 2024 with gratitude, and toward 2025 with positivity.. The actress and singer posted a video montage recapping her year with some memorable moments featured ...